Cooperative host/guest interactions via counterion assisted chelation: Pseudorotaxanes from supramolecular cryptands

Journal of the American Chemical Society

Volumn 124, Issue 45, 2002, Pages 13378-13379

  Jones, Jason W ^a   Zakharov, Lev N ^b   Rheingold, Arnold L ^b   Gibson, Harry W ^a  

^a VIRGINIA POLYTECHNIC INSTITUTE AND STATE UNIVERSITY   (United States)

^b UNIVERSITY OF DELAWARE   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ION; PARAQUAT; ROTAXANE;

ARTICLE; CHELATION; COMPLEX FORMATION; CONTROLLED STUDY; ELECTRON TRANSPORT; HYDROGEN BOND; IONIC STRENGTH; NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY; PROTON NUCLEAR MAGNETIC RESONANCE; X RAY DIFFRACTION;

EID: 0037073227     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja028306o     Document Type: Article

References (14)

1. Allwood, B. L.; Spencer, N.; Sharhriari-Zavareh, H.; Stoddart, J. F.; Williams, D. J. J. Chem. Soc., Chem. Commun. 1987, (a) 1058-1061; (b) 1064-1066.
2. Allwood, B. L.; Spencer, N.; Sharhriari-Zavareh, H.; Stoddart, J. F.; Williams, D. J. J. Chem. Soc., Chem. Commun. 1987, (a) 1058-1061; (b) 1064-1066.
3. Gibson, H. W.; Nagvekar, D. S. Can. J. Chem. 1997, 75, 1375-1384.
4. Bryant, W. S.; Jones, J. W.; Mason, P. E.; Guzei, I. A.; Rheingold, A. L.; Nagvekar, D. S.; Gibson, H. W. Org. Lett. 1999, 1, 1001-1004.
5. 6, and hence we have preferred its use in such studies.
6. Gillard, R. E.; Raymo, F. M.; Stoddart, J. F. Chem.-Eur. J. 1997, 3, 1933-1940.
7. 0 is defined as the average value calculated by Benesi-Hildebrand, Scatchard, and Creswell-Allred treatments.
8. 0 values.
9. a for pseudorotaxane formation is highly concentration dependent. Therefore, it is imperative to specify initial concentrations in these systems.
10. 6 and 6-TFA results in the precipitation of 1- or 5-2TFA, as characterized by X-ray analyses.
11. 6 is necessary for anion chelation.
12. Ion-paired binding by neutral hosts to form pseudorotaxane complexes has also been shown by (a) Deetz, M. J.; Shukla, R.; Smith, B. D. Tetrahedron 2002, 58, 799-805 and references therein, as well as (b) Wisner, J. A.; Beer, P. D.; Drew, M. G. B. Angew. Chem., Int. Ed. 2001, 40, 3606-3609.
13. Ion-paired binding by neutral hosts to form pseudorotaxane complexes has also been shown by (a) Deetz, M. J.; Shukla, R.; Smith, B. D. Tetrahedron 2002, 58, 799-805 and references therein, as well as (b) Wisner, J. A.; Beer, P. D.; Drew, M. G. B. Angew. Chem., Int. Ed. 2001, 40, 3606-3609.
14. Naik, D. B.; Moorthy, P. N. J. Chem. Soc., Perkin Trans. 2 1990, 5, 705-709.